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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Technologies › Separation and mixing

Separation and mixing Patent Leaders in 2016 2016

Primary CPC class B01 · Section B

Rankings count each patent once by its primary Cooperative Patent Classification. All-time pages aggregate the full database; year pages use patent grant year.

Recent years: 2016201720182019202020212022202320242025

Patents per Year

Patents granted per year, 1996 to 2025Bar chart with a peak of 4,008 patents in 2020.peak 4,0081996: 1,961 patents19961997: 2,063 patents1998: 2,413 patents1999: 2,566 patents19992000: 2,499 patents2001: 2,600 patents2002: 2,467 patents20022003: 2,480 patents2004: 2,185 patents2005: 2,002 patents20052006: 2,059 patents2007: 1,942 patents2008: 2,013 patents20082009: 2,101 patents2010: 2,885 patents2011: 2,862 patents20112012: 3,039 patents2013: 3,344 patents2014: 3,430 patents20142015: 3,481 patents2016: 3,419 patents2017: 3,494 patents20172018: 3,497 patents2019: 3,883 patents2020: 4,008 patents20202021: 3,910 patents2022: 3,982 patents2023: 3,677 patents20232024: 3,822 patents2025: 3,736 patents2025

Top Inventors

Rank ↑ Inventor ↕ Patents ↕ Primary Company ↕
1 Zahra Nazarpoor 13 Clean Diesel Technologies
2 Marshall Medoff 12 Xyleco
3 Chunqing Liu 11 Uop
#4 Paul Richard Phillips 9 Johnson Matthey Public Limited
#5 Stephen J. Golden 9 Catalytic Solutions
#6 Tatsuya Tsujiuchi 9 Mitsubishi Electric
#7 Bryant Morris 8 Caterpillar
#8 Jeffrey R. Ries 8 Caterpillar
#9 Thomas Craig Masterman 8 Xyleco
#10 Christophe Boyer 7 Ifp Energies Nouvelles
#11 Gregory A. Dale 7 Canon
#12 Hiroshi Tanaka 7 Fujitsu Limited
#13 Howie Q. Tran 7 Uop
#14 Klaus-Dieter Ruhland 7 Mann+Hummel Gmbh
#15 Maximilian A. Biberger 7 Sdcmaterials
#16 Michael Kaufmann 7 Mann+Hummel Gmbh
#17 Paolo Palmas 7 Uop
#18 Roy Edward McAlister 7 Mcalister Technologies
#19 Robert Paradis 7 Xyleco
#20 Tatsuto Nagayasu 7 Mitsubishi Electric
#21 Werner Bonrath 7 Dsm Ip Assets B.V.
#22 Alexander E. Kuperman 6 Chevron
#23 Christopher A. Pohl 6 Dionex
#24 Frederic Bazer-Bachi 6 Ifp Energies Nouvelles
#25 Guy Richard Chandler 6 Johnson Matthey Public Limited
#26 Heiko Weiner 6 —
#27 Hiromitsu Nagayasu 6 Mitsubishi Electric
#28 Hyuk Jae Kwon 6 Samsung
#29 Hyun Chul Lee 6 Samsung
#30 Joo Young Cheon 6 LG
#31 Katsumi Nochi 6 Mitsubishi Electric
#32 Kenton C. Hasson 6 Canon
#33 Kenichi Ishizuka 6 Murata Manufacturing Co.
#34 Kevin Ness 6 10X Genomics
#35 Mario Rieger 6 Mann+Hummel Gmbh
#36 Naoyuki Kamiyama 6 Mitsubishi Hitachi Power Systems
#37 Nobuyuki Ukai 6 Mitsubishi Electric
#38 Pascal Neef 6 Mann+Hummel Gmbh
#39 Qinghua Yin 6 Sdcmaterials
#40 Raj Rao Rajaram 6 Johnson Matthey Public Limited
#41 Seiji Kagawa 6 Unknown
#42 Stacey I. Zones 6 Chevron
#43 Sudhir S. Kulkarni 6 L'Air Liquide, Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges Claude
#44 Werner Blossey 6 Mann+Hummel Gmbh
#45 Xiwang Qi 6 Sdcmaterials
#46 Zhenhua Zhou 6 —
#47 Akio Tada 5 National University Corporation Kitami Institute Of Technology
#48 Andrew Francis Chiffey 5 Johnson Matthey Public Limited
#49 Anthony Makarewicz 5 10X Genomics
#50 Anna Lee Tonkovich 5 Velocys
#51 Christian Monereau 5 L'Air Liquide, Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges Claude
#52 Cong-Yan Chen 5 Chevron
#53 Dan Hancu 5 GE
#54 David W. Wright 5 General Motors
#55 Dan Xie 5 Chevron
#56 Dong Ju Moon 5 Korea Institute Of Science And Technology
#57 Edgar S. Sanders, Jr. 5 L'Air Liquide, Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges Claude
#58 Elena SANZ 5 Ifp Energies Nouvelles
#59 Gervase Maxwell Christie 5 Praxair Technology
#60 Jacko Hessing 5 Fujifilm Manufacturing Europe B.V.
#61 Kannan Seshadri 5 3M
#62 Koichi Ono 5 Enplas
#63 Kunlei Liu 5 University Of Kentucky
#64 Larry Neil Lewis 5 GE
#65 Masahiko Tatsumi 5 Mitsubishi Electric
#66 Masanao Yonemura 5 Mitsubishi Electric
#67 Robert Beaumont 5 Ifp Energies Nouvelles
#68 Satoru Nakamura 5 Kyocera Document Solutions
#69 Satoshi Saito 5 Kabushiki Kaisha Toshiba
#70 Shigehide Itou 5 Fujifilm
#71 Soon Chul KWON 5 Samsung
#72 Takuya Hirata 5 Mitsubishi Electric
#73 Tetsu Kamiya 5 Meiji Co.
#74 Toshihiro Fukuda 5 Sony
#75 Wenyih F. Lai 5 ExxonMobil
#76 Yoshimasa Kobayashi 5 Ngk Insulators
#77 Adam R. Abate 4 Harvard University
#78 Allen W. Burton 4 Chevron
#79 Ann Jia-Bao Liang 4 Chevron
#80 Arta Motadel 4 Biotix
#81 Ashim Kumar Ghosh 4 Saudi Basic Industries
#82 Aziz Sattar 4 Uop
#83 Balamurali Krishna R. Nair 4 Saudi Basic Industries
#84 Bastiaan Van Berchum 4 Fujifilm Manufacturing Europe B.V.
#85 Benny K. Nelson 4 Donaldson Company
#86 Bilge Yilmaz 4 Basf Se
#87 Can Li 4 Hewlett Packard Enterprise
#88 Carl W. Liskey 4 Uop
#89 Christian Thalmann 4 Mann+Hummel Gmbh
#90 Clinton P. Waller, Jr. 4 3M
#91 David A. Weitz 4 Harvard University
#92 Dennis J. Laslo 4 Alstom Technology
#93 Douglas E. Weiss 4 3M
#94 Edward A. Sturm 4 Entegris
#95 Frederic Augier 4 Ifp Energies Nouvelles
#96 Fredrik Jens Brogaard 4 Alstom Technology
#97 Gopala N. Krishnan 4 Sri International
#98 Hai-Ying Chen 4 Johnson Matthey Public Limited
#99 Hideo Kitamura 4 Kabushiki Kaisha Toshiba
#100 Hideyuki Suzuki 4 Sony

Top Companies

Rank ↑ Company ↕ Patents ↕
1 Basf Se 70
2 GE 67
3 Uop 65
#4 ExxonMobil 42
#5 Chevron 37
#6 Donaldson Company 36
#7 Samsung 32
#8 Toyota 31
#9 Mann+Hummel Gmbh 30
#10 3M 28
#11 Mitsubishi Electric 28
#12 Ifp Energies Nouvelles 27
#13 Ngk Insulators 25
#14 Unknown 25
#15 LG 25
#16 Johnson Matthey Public Limited 24
#17 Dow Global Technologies 22
#18 Alstom Technology 18
#19 Caterpillar 18
#20 Danaher 18
#21 L'Air Liquide, Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges Claude 17
#22 Praxair Technology 17
#23 Saudi Basic Industries 17
#24 Bio-Rad Laboratories 15
#25 China Petroleum & Chemical 15
#26 University of California 15
#27 Cummins Filtration Ip 14
#28 Mitsubishi Hitachi Power Systems 14
#29 Siemens Aktiengesellschaft 14
#30 Canon 14
#31 Umicore Ag & Co. Kg 13
#32 Thermo Fisher 13
#33 CNRS 12
#34 Ecolab Usa 12
#35 Xyleco 12
#36 Council Of Scientific And Industrial Research 11
#37 Johnson Matthey Plc 11
#38 Korea Institute Of Energy Research 11
#39 Korea Institute Of Science And Technology 11
#40 MIT 11
#41 Shell Oil Compny 11
#42 Toray Industries 11
#43 IBM 11
#44 CEA 10
#45 Corning Incorporated 10
#46 Fujifilm 10
#47 Jx Nippon Oil & Energy 10
#48 Kabushiki Kaisha Toshiba 10
#49 Saudi Arabian Oil 10
#50 Ford 10
#51 Clariant 9
#52 Clean Diesel Technologies 9
#53 Emd Millipore 9
#54 Eppendorf Ag 9
#55 Fluor Technologies 9
#56 Hyundai Motor 9
#57 KFUPM 9
#58 KAIST 9
#59 Lawrence Livermore National Security 9
#60 Ut-Battelle 9
#61 Celanese Gmbh 8
#62 Dsm Ip Assets B.V. 8
#63 Empire Technology Development 8
#64 Mahle International Gmbh 8
#65 Nitto Denko 8
#66 Sdcmaterials 8
#67 The Boeing 8
#68 Whirlpool 8
#69 General Motors 8
#70 Honeywell 8
#71 Advanced Liquid Logic 7
#72 Baker Hughes Holdings 7
#73 Battelle Memorial Institute 7
#74 Becton, Dickinson And 7
#75 Dalian Institute Of Chemical Physics, Chinese Academy Of Sciences 7
#76 Dionex 7
#77 Entegris 7
#78 Heesung Catalysts 7
#79 Hitachi 7
#80 ITRI 7
#81 Koniniklijke Philips N.V. 7
#82 Mcalister Technologies 7
#83 NS Sumikin Engineering 7
#84 Purdue Research Foundation 7
#85 Seiko Epson 7
#86 TSMC 7
#87 The University Of Tokyo 7
#88 US Air Force 7
#89 University Of Kentucky 7
#90 Waters Technologies 7
#91 Xerox 7
#92 American Air Filter Company 6
#93 Asahi Kasei Chemicals 6
#94 Clean Diesel Technologies, Inc. (Cdti) 6
#95 Cosmo Oil Co. 6
#96 Eni S.P.A. 6
#97 Enplas 6
#98 Georgia Tech Research 6
#99 Haldor Topsøe A/S 6
#100 Institute Of Nuclear Energy Research, Atomic Energy Council 6